• System Operations/ Administrator

    Sciolex Corporation (Chantilly, VA)
    …Active Top Secret/SCI clearance with a Counter-Intelligence Polygraph Experience as a desktop system administrator or in a similar IT support role. Compliant ... relevant IT fields (eg, CompTIA A+, Microsoft Certified: Modern Desktop Administrator Associate ). Excellent problem-solving and analytical skills. Familiarity… more
    Sciolex Corporation (10/14/25)
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  • System Administrator

    CACI International (Chantilly, VA)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... * **The Opportunity:** CACI is seeking a highly skilled ** System Administrator ** to join our team in...to include web servers, database servers, and associated development systems (eg Team Foundation Server) + Maintains system more
    CACI International (10/24/25)
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  • Sr. Systems Administrator

    Chenega Corporation (Fort Belvoir, VA)
    … Ft. Belvoir, VA Join our Talent Network Sr. Systems Administrator Ft. Belvoir, VA C-CHR-24-050 TheSenior System Administratorwill provide primary and ... + Provide systems administration support for the Windows operating system and applications and backup...and BBP 05-PR-M-0002. + Microsoft 365 Certified: Modern Desktop Administrator Associate Certification required. + Secret clearance… more
    Chenega Corporation (09/01/25)
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  • Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …complex computer system network administration activities. + Experience in Microsoft Windows computer operating systems , LINUX operating systems , CISCO ... win as a team). SimIS Inc seeks a Senior System Administrator to provide combat system...technical or engineering field. + Certification in LINUX operating systems + Cisco Certified Network Associate (CCNA).… more
    SimIS Inc. (11/06/25)
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  • Senior System Administrator

    SAIC (Fort Belvoir, VA)
    **Description** The Senior System Administrator will provide support for operational intelligence integration and data-centric operations for customers across ... the design and deployment of new technologies and upgrades + Experience with Windows Server 2016 and later operating systems , Microsoft Active Directory, DNS,… more
    SAIC (11/19/25)
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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Norfolk, VA)
    …manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in system design and evaluation, ... or GED and 7+ years of experience as a system administrator , Associate 's degree and...Optional Qualifications: + Experience with operating and maintaining Microsoft Windows and Linux servers to include operating systems more
    ENS Solutions (09/27/25)
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  • Junior Systems Administrator

    SOS International LLC (Reston, VA)
    …**Job Description** Overview SOSi is seeking a dedicated and technically skilled **Junior Systems Administrator ** to join our dynamic IT team supporting our ... with cross-functional teams. Preferred Qualifications * Microsoft Certified: Azure Administrator Associate (AZ-104). * VMware Certified Professional (VCP)… more
    SOS International LLC (11/20/25)
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  • IT Systems Administrator

    ManTech (Chantilly, VA)
    …obtain one within 180 days. + System Experience: Experience with both Windows and Linux operating systems . + End-User Support: Experience providing help-desk ... **MANTECH** seeks a motivated, career and customer-oriented **IT Systems Administrator ** to join our team...Systems Engineering, or a related IT discipline. An associate 's degree with seven years of experience may be… more
    ManTech (11/19/25)
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  • SharePoint Administrator Expert (SME)…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …processes and systems + Writes and updates project documentation including system procedures, presentations, and training materials + May serve as technical team ... Certification Security+ or equivalent + Required Computing Environment Certification: MCSA Windows Server 2019, Azure Administrator Fundamentals, or equivalent +… more
    General Dynamics Information Technology (10/29/25)
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  • SIPR BeyondTrust Administrator

    CACI International (Chantilly, VA)
    …with Microsoft Azure or Amazon Web Services. + Cloud certifications such as Azure Administrator Associate (AZ-104), AWS SysOps Administrator or AWS Solutions ... from network operations to mission operations. **Responsibilities:** As a BeyondTrust Administrator , you will Install new software releases, system upgrades,… more
    CACI International (10/01/25)
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